Home / 4,985.04-7,478.66-1,522.56

Finding the Fourth Proportional to 4,985.04, 7,478.66 and 1,522.56

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Solution

The fourth proportional to 4,985.04, 7,478.66 and 1,522.56 is: 2,284.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985.04 : 7,478.66 = 1,522.56 : x
  2. Step 2: Convert to fraction form
    4,985.04/7,478.66 = 1,522.56/x
  3. Step 3: Cross multiply
    4,985.04x = 7,478.66 × 1,522.56
  4. Step 4: Simplify right side
    4,985.04x = 11,386,708.57
  5. Step 5: Solve for x
    x = 11,386,708.57/4,985.04
  6. Step 6: Final answer
    x = 2,284.18

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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.