Home / 5,437.10-8,167.80-5,291.30

Finding the Fourth Proportional to 5,437.10, 8,167.80 and 5,291.30

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Solution

The fourth proportional to 5,437.10, 8,167.80 and 5,291.30 is: 7,948.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,437.10 : 8,167.80 = 5,291.30 : x
  2. Step 2: Convert to fraction form
    5,437.10/8,167.80 = 5,291.30/x
  3. Step 3: Cross multiply
    5,437.10x = 8,167.80 × 5,291.30
  4. Step 4: Simplify right side
    5,437.10x = 43,218,280.14
  5. Step 5: Solve for x
    x = 43,218,280.14/5,437.10
  6. Step 6: Final answer
    x = 7,948.77

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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.