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Finding the Fourth Proportional to 8,557.19, 12,825.18 and 4,848.17

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Solution

The fourth proportional to 8,557.19, 12,825.18 and 4,848.17 is: 7,266.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,557.19 : 12,825.18 = 4,848.17 : x
  2. Step 2: Convert to fraction form
    8,557.19/12,825.18 = 4,848.17/x
  3. Step 3: Cross multiply
    8,557.19x = 12,825.18 × 4,848.17
  4. Step 4: Simplify right side
    8,557.19x = 62,178,684.98
  5. Step 5: Solve for x
    x = 62,178,684.98/8,557.19
  6. Step 6: Final answer
    x = 7,266.25

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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.