Home / 7,916.25-10,923.48-4,378.98

Finding the Fourth Proportional to 7,916.25, 10,923.48 and 4,378.98

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Solution

The fourth proportional to 7,916.25, 10,923.48 and 4,378.98 is: 6,042.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,916.25 : 10,923.48 = 4,378.98 : x
  2. Step 2: Convert to fraction form
    7,916.25/10,923.48 = 4,378.98/x
  3. Step 3: Cross multiply
    7,916.25x = 10,923.48 × 4,378.98
  4. Step 4: Simplify right side
    7,916.25x = 47,833,700.45
  5. Step 5: Solve for x
    x = 47,833,700.45/7,916.25
  6. Step 6: Final answer
    x = 6,042.47

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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.