Home / 7,117.47-10,675.53-2,187.27

Finding the Fourth Proportional to 7,117.47, 10,675.53 and 2,187.27

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Solution

The fourth proportional to 7,117.47, 10,675.53 and 2,187.27 is: 3,280.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117.47 : 10,675.53 = 2,187.27 : x
  2. Step 2: Convert to fraction form
    7,117.47/10,675.53 = 2,187.27/x
  3. Step 3: Cross multiply
    7,117.47x = 10,675.53 × 2,187.27
  4. Step 4: Simplify right side
    7,117.47x = 23,350,266.50
  5. Step 5: Solve for x
    x = 23,350,266.50/7,117.47
  6. Step 6: Final answer
    x = 3,280.70

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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.