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Finding the Fourth Proportional to 5,509.17, 8,281.98 and 5,103.36

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Solution

The fourth proportional to 5,509.17, 8,281.98 and 5,103.36 is: 7,671.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509.17 : 8,281.98 = 5,103.36 : x
  2. Step 2: Convert to fraction form
    5,509.17/8,281.98 = 5,103.36/x
  3. Step 3: Cross multiply
    5,509.17x = 8,281.98 × 5,103.36
  4. Step 4: Simplify right side
    5,509.17x = 42,265,925.45
  5. Step 5: Solve for x
    x = 42,265,925.45/5,509.17
  6. Step 6: Final answer
    x = 7,671.92

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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.