Home / 4,710.12-7,065.18-1,247.38

Finding the Fourth Proportional to 4,710.12, 7,065.18 and 1,247.38

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Solution

The fourth proportional to 4,710.12, 7,065.18 and 1,247.38 is: 1,871.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,710.12 : 7,065.18 = 1,247.38 : x
  2. Step 2: Convert to fraction form
    4,710.12/7,065.18 = 1,247.38/x
  3. Step 3: Cross multiply
    4,710.12x = 7,065.18 × 1,247.38
  4. Step 4: Simplify right side
    4,710.12x = 8,812,964.23
  5. Step 5: Solve for x
    x = 8,812,964.23/4,710.12
  6. Step 6: Final answer
    x = 1,871.07

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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.