Home / 8,530.32-12,798.18-2,688.06

Finding the Fourth Proportional to 8,530.32, 12,798.18 and 2,688.06

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Solution

The fourth proportional to 8,530.32, 12,798.18 and 2,688.06 is: 4,032.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,530.32 : 12,798.18 = 2,688.06 : x
  2. Step 2: Convert to fraction form
    8,530.32/12,798.18 = 2,688.06/x
  3. Step 3: Cross multiply
    8,530.32x = 12,798.18 × 2,688.06
  4. Step 4: Simplify right side
    8,530.32x = 34,402,275.73
  5. Step 5: Solve for x
    x = 34,402,275.73/8,530.32
  6. Step 6: Final answer
    x = 4,032.94

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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.