Home / 8,910.90-12,298.50-5,325.93

Finding the Fourth Proportional to 8,910.90, 12,298.50 and 5,325.93

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Solution

The fourth proportional to 8,910.90, 12,298.50 and 5,325.93 is: 7,350.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,910.90 : 12,298.50 = 5,325.93 : x
  2. Step 2: Convert to fraction form
    8,910.90/12,298.50 = 5,325.93/x
  3. Step 3: Cross multiply
    8,910.90x = 12,298.50 × 5,325.93
  4. Step 4: Simplify right side
    8,910.90x = 65,500,950.11
  5. Step 5: Solve for x
    x = 65,500,950.11/8,910.90
  6. Step 6: Final answer
    x = 7,350.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.