Home / 8,548.30-12,812.85-4,386.70

Finding the Fourth Proportional to 8,548.30, 12,812.85 and 4,386.70

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Solution

The fourth proportional to 8,548.30, 12,812.85 and 4,386.70 is: 6,575.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,548.30 : 12,812.85 = 4,386.70 : x
  2. Step 2: Convert to fraction form
    8,548.30/12,812.85 = 4,386.70/x
  3. Step 3: Cross multiply
    8,548.30x = 12,812.85 × 4,386.70
  4. Step 4: Simplify right side
    8,548.30x = 56,206,129.10
  5. Step 5: Solve for x
    x = 56,206,129.10/8,548.30
  6. Step 6: Final answer
    x = 6,575.12

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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.