Home / 6,987.47-10,480.55-2,545.16

Finding the Fourth Proportional to 6,987.47, 10,480.55 and 2,545.16

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Solution

The fourth proportional to 6,987.47, 10,480.55 and 2,545.16 is: 3,817.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,987.47 : 10,480.55 = 2,545.16 : x
  2. Step 2: Convert to fraction form
    6,987.47/10,480.55 = 2,545.16/x
  3. Step 3: Cross multiply
    6,987.47x = 10,480.55 × 2,545.16
  4. Step 4: Simplify right side
    6,987.47x = 26,674,611.51
  5. Step 5: Solve for x
    x = 26,674,611.51/6,987.47
  6. Step 6: Final answer
    x = 3,817.49

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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.