Home / 6,585.92-9,875.64-2,689.28

Finding the Fourth Proportional to 6,585.92, 9,875.64 and 2,689.28

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Solution

The fourth proportional to 6,585.92, 9,875.64 and 2,689.28 is: 4,032.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,585.92 : 9,875.64 = 2,689.28 : x
  2. Step 2: Convert to fraction form
    6,585.92/9,875.64 = 2,689.28/x
  3. Step 3: Cross multiply
    6,585.92x = 9,875.64 × 2,689.28
  4. Step 4: Simplify right side
    6,585.92x = 26,558,361.14
  5. Step 5: Solve for x
    x = 26,558,361.14/6,585.92
  6. Step 6: Final answer
    x = 4,032.60

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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.