Home / 7,277.68-10,917.60-3,117.70

Finding the Fourth Proportional to 7,277.68, 10,917.60 and 3,117.70

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Solution

The fourth proportional to 7,277.68, 10,917.60 and 3,117.70 is: 4,677.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,277.68 : 10,917.60 = 3,117.70 : x
  2. Step 2: Convert to fraction form
    7,277.68/10,917.60 = 3,117.70/x
  3. Step 3: Cross multiply
    7,277.68x = 10,917.60 × 3,117.70
  4. Step 4: Simplify right side
    7,277.68x = 34,037,801.52
  5. Step 5: Solve for x
    x = 34,037,801.52/7,277.68
  6. Step 6: Final answer
    x = 4,677.01

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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.