Home / 5,437.89-7,502.31-3,312.57

Finding the Fourth Proportional to 5,437.89, 7,502.31 and 3,312.57

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Solution

The fourth proportional to 5,437.89, 7,502.31 and 3,312.57 is: 4,570.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,437.89 : 7,502.31 = 3,312.57 : x
  2. Step 2: Convert to fraction form
    5,437.89/7,502.31 = 3,312.57/x
  3. Step 3: Cross multiply
    5,437.89x = 7,502.31 × 3,312.57
  4. Step 4: Simplify right side
    5,437.89x = 24,851,927.04
  5. Step 5: Solve for x
    x = 24,851,927.04/5,437.89
  6. Step 6: Final answer
    x = 4,570.14

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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.