Home / 8,488.72-12,718.38-4,595.80

Finding the Fourth Proportional to 8,488.72, 12,718.38 and 4,595.80

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Solution

The fourth proportional to 8,488.72, 12,718.38 and 4,595.80 is: 6,885.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,488.72 : 12,718.38 = 4,595.80 : x
  2. Step 2: Convert to fraction form
    8,488.72/12,718.38 = 4,595.80/x
  3. Step 3: Cross multiply
    8,488.72x = 12,718.38 × 4,595.80
  4. Step 4: Simplify right side
    8,488.72x = 58,451,130.80
  5. Step 5: Solve for x
    x = 58,451,130.80/8,488.72
  6. Step 6: Final answer
    x = 6,885.74

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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.