Home / 7,402.16-10,218.53-4,377.80

Finding the Fourth Proportional to 7,402.16, 10,218.53 and 4,377.80

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Solution

The fourth proportional to 7,402.16, 10,218.53 and 4,377.80 is: 6,043.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,402.16 : 10,218.53 = 4,377.80 : x
  2. Step 2: Convert to fraction form
    7,402.16/10,218.53 = 4,377.80/x
  3. Step 3: Cross multiply
    7,402.16x = 10,218.53 × 4,377.80
  4. Step 4: Simplify right side
    7,402.16x = 44,734,717.12
  5. Step 5: Solve for x
    x = 44,734,717.12/7,402.16
  6. Step 6: Final answer
    x = 6,043.47

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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.