Home / 7,159.48-10,740.70-2,776.92

Finding the Fourth Proportional to 7,159.48, 10,740.70 and 2,776.92

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Solution

The fourth proportional to 7,159.48, 10,740.70 and 2,776.92 is: 4,165.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,159.48 : 10,740.70 = 2,776.92 : x
  2. Step 2: Convert to fraction form
    7,159.48/10,740.70 = 2,776.92/x
  3. Step 3: Cross multiply
    7,159.48x = 10,740.70 × 2,776.92
  4. Step 4: Simplify right side
    7,159.48x = 29,826,064.64
  5. Step 5: Solve for x
    x = 29,826,064.64/7,159.48
  6. Step 6: Final answer
    x = 4,165.95

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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.