Home / 5,819.85-8,729.95-1,437.30

Finding the Fourth Proportional to 5,819.85, 8,729.95 and 1,437.30

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Solution

The fourth proportional to 5,819.85, 8,729.95 and 1,437.30 is: 2,155.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,819.85 : 8,729.95 = 1,437.30 : x
  2. Step 2: Convert to fraction form
    5,819.85/8,729.95 = 1,437.30/x
  3. Step 3: Cross multiply
    5,819.85x = 8,729.95 × 1,437.30
  4. Step 4: Simplify right side
    5,819.85x = 12,547,549.95
  5. Step 5: Solve for x
    x = 12,547,549.95/5,819.85
  6. Step 6: Final answer
    x = 2,155.99

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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.