Home / 7,916.10-10,923.08-4,379.30

Finding the Fourth Proportional to 7,916.10, 10,923.08 and 4,379.30

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Solution

The fourth proportional to 7,916.10, 10,923.08 and 4,379.30 is: 6,042.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,916.10 : 10,923.08 = 4,379.30 : x
  2. Step 2: Convert to fraction form
    7,916.10/10,923.08 = 4,379.30/x
  3. Step 3: Cross multiply
    7,916.10x = 10,923.08 × 4,379.30
  4. Step 4: Simplify right side
    7,916.10x = 47,835,444.24
  5. Step 5: Solve for x
    x = 47,835,444.24/7,916.10
  6. Step 6: Final answer
    x = 6,042.80

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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.