Home / 7,275.18-10,914.36-4,156.68

Finding the Fourth Proportional to 7,275.18, 10,914.36 and 4,156.68

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Solution

The fourth proportional to 7,275.18, 10,914.36 and 4,156.68 is: 6,235.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,275.18 : 10,914.36 = 4,156.68 : x
  2. Step 2: Convert to fraction form
    7,275.18/10,914.36 = 4,156.68/x
  3. Step 3: Cross multiply
    7,275.18x = 10,914.36 × 4,156.68
  4. Step 4: Simplify right side
    7,275.18x = 45,367,501.92
  5. Step 5: Solve for x
    x = 45,367,501.92/7,275.18
  6. Step 6: Final answer
    x = 6,235.93

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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.