Home / 7,150.20-9,858.69-6,153.76

Finding the Fourth Proportional to 7,150.20, 9,858.69 and 6,153.76

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Solution

The fourth proportional to 7,150.20, 9,858.69 and 6,153.76 is: 8,484.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,150.20 : 9,858.69 = 6,153.76 : x
  2. Step 2: Convert to fraction form
    7,150.20/9,858.69 = 6,153.76/x
  3. Step 3: Cross multiply
    7,150.20x = 9,858.69 × 6,153.76
  4. Step 4: Simplify right side
    7,150.20x = 60,668,012.17
  5. Step 5: Solve for x
    x = 60,668,012.17/7,150.20
  6. Step 6: Final answer
    x = 8,484.80

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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.