Home / 7,685.64-11,513.88-4,559.04

Finding the Fourth Proportional to 7,685.64, 11,513.88 and 4,559.04

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Solution

The fourth proportional to 7,685.64, 11,513.88 and 4,559.04 is: 6,829.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,685.64 : 11,513.88 = 4,559.04 : x
  2. Step 2: Convert to fraction form
    7,685.64/11,513.88 = 4,559.04/x
  3. Step 3: Cross multiply
    7,685.64x = 11,513.88 × 4,559.04
  4. Step 4: Simplify right side
    7,685.64x = 52,492,239.48
  5. Step 5: Solve for x
    x = 52,492,239.48/7,685.64
  6. Step 6: Final answer
    x = 6,829.91

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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.