Home / 8,618.48-12,925.70-2,775.16

Finding the Fourth Proportional to 8,618.48, 12,925.70 and 2,775.16

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Solution

The fourth proportional to 8,618.48, 12,925.70 and 2,775.16 is: 4,162.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,618.48 : 12,925.70 = 2,775.16 : x
  2. Step 2: Convert to fraction form
    8,618.48/12,925.70 = 2,775.16/x
  3. Step 3: Cross multiply
    8,618.48x = 12,925.70 × 2,775.16
  4. Step 4: Simplify right side
    8,618.48x = 35,870,885.61
  5. Step 5: Solve for x
    x = 35,870,885.61/8,618.48
  6. Step 6: Final answer
    x = 4,162.09

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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.