Home / 4,688.85-7,034.27-1,767.18

Finding the Fourth Proportional to 4,688.85, 7,034.27 and 1,767.18

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Solution

The fourth proportional to 4,688.85, 7,034.27 and 1,767.18 is: 2,651.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688.85 : 7,034.27 = 1,767.18 : x
  2. Step 2: Convert to fraction form
    4,688.85/7,034.27 = 1,767.18/x
  3. Step 3: Cross multiply
    4,688.85x = 7,034.27 × 1,767.18
  4. Step 4: Simplify right side
    4,688.85x = 12,430,812.42
  5. Step 5: Solve for x
    x = 12,430,812.42/4,688.85
  6. Step 6: Final answer
    x = 2,651.14

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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.