Home / 7,357.35-10,153.58-4,170.90

Finding the Fourth Proportional to 7,357.35, 10,153.58 and 4,170.90

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Solution

The fourth proportional to 7,357.35, 10,153.58 and 4,170.90 is: 5,756.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,357.35 : 10,153.58 = 4,170.90 : x
  2. Step 2: Convert to fraction form
    7,357.35/10,153.58 = 4,170.90/x
  3. Step 3: Cross multiply
    7,357.35x = 10,153.58 × 4,170.90
  4. Step 4: Simplify right side
    7,357.35x = 42,349,545.97
  5. Step 5: Solve for x
    x = 42,349,545.97/7,357.35
  6. Step 6: Final answer
    x = 5,756.09

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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.