Home / 7,686.27-10,607.85-4,704.09

Finding the Fourth Proportional to 7,686.27, 10,607.85 and 4,704.09

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Solution

The fourth proportional to 7,686.27, 10,607.85 and 4,704.09 is: 6,492.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,686.27 : 10,607.85 = 4,704.09 : x
  2. Step 2: Convert to fraction form
    7,686.27/10,607.85 = 4,704.09/x
  3. Step 3: Cross multiply
    7,686.27x = 10,607.85 × 4,704.09
  4. Step 4: Simplify right side
    7,686.27x = 49,900,281.11
  5. Step 5: Solve for x
    x = 49,900,281.11/7,686.27
  6. Step 6: Final answer
    x = 6,492.13

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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.