Home / 8,445.12-11,652.96-4,718.40

Finding the Fourth Proportional to 8,445.12, 11,652.96 and 4,718.40

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Solution

The fourth proportional to 8,445.12, 11,652.96 and 4,718.40 is: 6,510.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,445.12 : 11,652.96 = 4,718.40 : x
  2. Step 2: Convert to fraction form
    8,445.12/11,652.96 = 4,718.40/x
  3. Step 3: Cross multiply
    8,445.12x = 11,652.96 × 4,718.40
  4. Step 4: Simplify right side
    8,445.12x = 54,983,326.46
  5. Step 5: Solve for x
    x = 54,983,326.46/8,445.12
  6. Step 6: Final answer
    x = 6,510.66

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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.