Home / 7,916.04-10,923.36-4,378.76

Finding the Fourth Proportional to 7,916.04, 10,923.36 and 4,378.76

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Solution

The fourth proportional to 7,916.04, 10,923.36 and 4,378.76 is: 6,042.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,916.04 : 10,923.36 = 4,378.76 : x
  2. Step 2: Convert to fraction form
    7,916.04/10,923.36 = 4,378.76/x
  3. Step 3: Cross multiply
    7,916.04x = 10,923.36 × 4,378.76
  4. Step 4: Simplify right side
    7,916.04x = 47,830,771.83
  5. Step 5: Solve for x
    x = 47,830,771.83/7,916.04
  6. Step 6: Final answer
    x = 6,042.26

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Half scale
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Double scale
Find fourth proportional to 7,917.04, 10,924.74 and 4,379.76
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.