Home / 8,688.30-13,032.45-5,232.30

Finding the Fourth Proportional to 8,688.30, 13,032.45 and 5,232.30

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Solution

The fourth proportional to 8,688.30, 13,032.45 and 5,232.30 is: 7,848.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,688.30 : 13,032.45 = 5,232.30 : x
  2. Step 2: Convert to fraction form
    8,688.30/13,032.45 = 5,232.30/x
  3. Step 3: Cross multiply
    8,688.30x = 13,032.45 × 5,232.30
  4. Step 4: Simplify right side
    8,688.30x = 68,189,688.14
  5. Step 5: Solve for x
    x = 68,189,688.14/8,688.30
  6. Step 6: Final answer
    x = 7,848.45

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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.