Home / 5,437.80-7,502.40-3,047.42

Finding the Fourth Proportional to 5,437.80, 7,502.40 and 3,047.42

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Solution

The fourth proportional to 5,437.80, 7,502.40 and 3,047.42 is: 4,204.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,437.80 : 7,502.40 = 3,047.42 : x
  2. Step 2: Convert to fraction form
    5,437.80/7,502.40 = 3,047.42/x
  3. Step 3: Cross multiply
    5,437.80x = 7,502.40 × 3,047.42
  4. Step 4: Simplify right side
    5,437.80x = 22,862,963.81
  5. Step 5: Solve for x
    x = 22,862,963.81/5,437.80
  6. Step 6: Final answer
    x = 4,204.45

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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.