Home / 8,970.32-13,452.01-4,289.08

Finding the Fourth Proportional to 8,970.32, 13,452.01 and 4,289.08

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Solution

The fourth proportional to 8,970.32, 13,452.01 and 4,289.08 is: 6,431.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,970.32 : 13,452.01 = 4,289.08 : x
  2. Step 2: Convert to fraction form
    8,970.32/13,452.01 = 4,289.08/x
  3. Step 3: Cross multiply
    8,970.32x = 13,452.01 × 4,289.08
  4. Step 4: Simplify right side
    8,970.32x = 57,696,724.14
  5. Step 5: Solve for x
    x = 57,696,724.14/8,970.32
  6. Step 6: Final answer
    x = 6,431.96

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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.