Home / 5,389.60-7,437.59-2,999.56

Finding the Fourth Proportional to 5,389.60, 7,437.59 and 2,999.56

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Solution

The fourth proportional to 5,389.60, 7,437.59 and 2,999.56 is: 4,139.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389.60 : 7,437.59 = 2,999.56 : x
  2. Step 2: Convert to fraction form
    5,389.60/7,437.59 = 2,999.56/x
  3. Step 3: Cross multiply
    5,389.60x = 7,437.59 × 2,999.56
  4. Step 4: Simplify right side
    5,389.60x = 22,309,497.46
  5. Step 5: Solve for x
    x = 22,309,497.46/5,389.60
  6. Step 6: Final answer
    x = 4,139.36

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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.