Home / 7,764.52-10,705.02-6,346.72

Finding the Fourth Proportional to 7,764.52, 10,705.02 and 6,346.72

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Solution

The fourth proportional to 7,764.52, 10,705.02 and 6,346.72 is: 8,750.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,764.52 : 10,705.02 = 6,346.72 : x
  2. Step 2: Convert to fraction form
    7,764.52/10,705.02 = 6,346.72/x
  3. Step 3: Cross multiply
    7,764.52x = 10,705.02 × 6,346.72
  4. Step 4: Simplify right side
    7,764.52x = 67,941,764.53
  5. Step 5: Solve for x
    x = 67,941,764.53/7,764.52
  6. Step 6: Final answer
    x = 8,750.29

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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.