Home / 9,132.45-12,602.74-4,940.70

Finding the Fourth Proportional to 9,132.45, 12,602.74 and 4,940.70

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Solution

The fourth proportional to 9,132.45, 12,602.74 and 4,940.70 is: 6,818.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,132.45 : 12,602.74 = 4,940.70 : x
  2. Step 2: Convert to fraction form
    9,132.45/12,602.74 = 4,940.70/x
  3. Step 3: Cross multiply
    9,132.45x = 12,602.74 × 4,940.70
  4. Step 4: Simplify right side
    9,132.45x = 62,266,307.17
  5. Step 5: Solve for x
    x = 62,266,307.17/9,132.45
  6. Step 6: Final answer
    x = 6,818.14

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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.