Home / 7,001.42-10,502.31-2,387.66

Finding the Fourth Proportional to 7,001.42, 10,502.31 and 2,387.66

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Solution

The fourth proportional to 7,001.42, 10,502.31 and 2,387.66 is: 3,581.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,001.42 : 10,502.31 = 2,387.66 : x
  2. Step 2: Convert to fraction form
    7,001.42/10,502.31 = 2,387.66/x
  3. Step 3: Cross multiply
    7,001.42x = 10,502.31 × 2,387.66
  4. Step 4: Simplify right side
    7,001.42x = 25,075,945.49
  5. Step 5: Solve for x
    x = 25,075,945.49/7,001.42
  6. Step 6: Final answer
    x = 3,581.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.