Home / 9,281.28-12,807.90-5,089.44

Finding the Fourth Proportional to 9,281.28, 12,807.90 and 5,089.44

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Solution

The fourth proportional to 9,281.28, 12,807.90 and 5,089.44 is: 7,023.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,281.28 : 12,807.90 = 5,089.44 : x
  2. Step 2: Convert to fraction form
    9,281.28/12,807.90 = 5,089.44/x
  3. Step 3: Cross multiply
    9,281.28x = 12,807.90 × 5,089.44
  4. Step 4: Simplify right side
    9,281.28x = 65,185,038.58
  5. Step 5: Solve for x
    x = 65,185,038.58/9,281.28
  6. Step 6: Final answer
    x = 7,023.28

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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.