Home / 5,437.22-8,155.87-1,488.40

Finding the Fourth Proportional to 5,437.22, 8,155.87 and 1,488.40

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Solution

The fourth proportional to 5,437.22, 8,155.87 and 1,488.40 is: 2,232.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,437.22 : 8,155.87 = 1,488.40 : x
  2. Step 2: Convert to fraction form
    5,437.22/8,155.87 = 1,488.40/x
  3. Step 3: Cross multiply
    5,437.22x = 8,155.87 × 1,488.40
  4. Step 4: Simplify right side
    5,437.22x = 12,139,156.13
  5. Step 5: Solve for x
    x = 12,139,156.13/5,437.22
  6. Step 6: Final answer
    x = 2,232.60

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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.