Home / 7,435.13-10,260.48-4,123.13

Finding the Fourth Proportional to 7,435.13, 10,260.48 and 4,123.13

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Solution

The fourth proportional to 7,435.13, 10,260.48 and 4,123.13 is: 5,689.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,435.13 : 10,260.48 = 4,123.13 : x
  2. Step 2: Convert to fraction form
    7,435.13/10,260.48 = 4,123.13/x
  3. Step 3: Cross multiply
    7,435.13x = 10,260.48 × 4,123.13
  4. Step 4: Simplify right side
    7,435.13x = 42,305,220.98
  5. Step 5: Solve for x
    x = 42,305,220.98/7,435.13
  6. Step 6: Final answer
    x = 5,689.91

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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.