Home / 7,402.43-10,203.49-5,011.65

Finding the Fourth Proportional to 7,402.43, 10,203.49 and 5,011.65

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Solution

The fourth proportional to 7,402.43, 10,203.49 and 5,011.65 is: 6,908.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,402.43 : 10,203.49 = 5,011.65 : x
  2. Step 2: Convert to fraction form
    7,402.43/10,203.49 = 5,011.65/x
  3. Step 3: Cross multiply
    7,402.43x = 10,203.49 × 5,011.65
  4. Step 4: Simplify right side
    7,402.43x = 51,136,320.66
  5. Step 5: Solve for x
    x = 51,136,320.66/7,402.43
  6. Step 6: Final answer
    x = 6,908.05

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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.