Home / 8,173.98-12,264.08-4,275.72

Finding the Fourth Proportional to 8,173.98, 12,264.08 and 4,275.72

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Solution

The fourth proportional to 8,173.98, 12,264.08 and 4,275.72 is: 6,415.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,173.98 : 12,264.08 = 4,275.72 : x
  2. Step 2: Convert to fraction form
    8,173.98/12,264.08 = 4,275.72/x
  3. Step 3: Cross multiply
    8,173.98x = 12,264.08 × 4,275.72
  4. Step 4: Simplify right side
    8,173.98x = 52,437,750.76
  5. Step 5: Solve for x
    x = 52,437,750.76/8,173.98
  6. Step 6: Final answer
    x = 6,415.20

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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.