Home / 4,727.66-7,089.32-1,440.14

Finding the Fourth Proportional to 4,727.66, 7,089.32 and 1,440.14

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Solution

The fourth proportional to 4,727.66, 7,089.32 and 1,440.14 is: 2,159.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,727.66 : 7,089.32 = 1,440.14 : x
  2. Step 2: Convert to fraction form
    4,727.66/7,089.32 = 1,440.14/x
  3. Step 3: Cross multiply
    4,727.66x = 7,089.32 × 1,440.14
  4. Step 4: Simplify right side
    4,727.66x = 10,209,581.46
  5. Step 5: Solve for x
    x = 10,209,581.46/4,727.66
  6. Step 6: Final answer
    x = 2,159.54

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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.