Home / 8,590.60-12,883.20-5,298.76

Finding the Fourth Proportional to 8,590.60, 12,883.20 and 5,298.76

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Solution

The fourth proportional to 8,590.60, 12,883.20 and 5,298.76 is: 7,946.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,590.60 : 12,883.20 = 5,298.76 : x
  2. Step 2: Convert to fraction form
    8,590.60/12,883.20 = 5,298.76/x
  3. Step 3: Cross multiply
    8,590.60x = 12,883.20 × 5,298.76
  4. Step 4: Simplify right side
    8,590.60x = 68,264,984.83
  5. Step 5: Solve for x
    x = 68,264,984.83/8,590.60
  6. Step 6: Final answer
    x = 7,946.47

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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.