Home / 7,159.56-10,740.40-2,480.72

Finding the Fourth Proportional to 7,159.56, 10,740.40 and 2,480.72

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Solution

The fourth proportional to 7,159.56, 10,740.40 and 2,480.72 is: 3,721.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,159.56 : 10,740.40 = 2,480.72 : x
  2. Step 2: Convert to fraction form
    7,159.56/10,740.40 = 2,480.72/x
  3. Step 3: Cross multiply
    7,159.56x = 10,740.40 × 2,480.72
  4. Step 4: Simplify right side
    7,159.56x = 26,643,925.09
  5. Step 5: Solve for x
    x = 26,643,925.09/7,159.56
  6. Step 6: Final answer
    x = 3,721.45

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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.