Home / 9,289.84-12,825.76-6,456.32

Finding the Fourth Proportional to 9,289.84, 12,825.76 and 6,456.32

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Solution

The fourth proportional to 9,289.84, 12,825.76 and 6,456.32 is: 8,913.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,289.84 : 12,825.76 = 6,456.32 : x
  2. Step 2: Convert to fraction form
    9,289.84/12,825.76 = 6,456.32/x
  3. Step 3: Cross multiply
    9,289.84x = 12,825.76 × 6,456.32
  4. Step 4: Simplify right side
    9,289.84x = 82,807,210.80
  5. Step 5: Solve for x
    x = 82,807,210.80/9,289.84
  6. Step 6: Final answer
    x = 8,913.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.