Home / 4,710.20-7,065.58-1,247.44

Finding the Fourth Proportional to 4,710.20, 7,065.58 and 1,247.44

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Solution

The fourth proportional to 4,710.20, 7,065.58 and 1,247.44 is: 1,871.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,710.20 : 7,065.58 = 1,247.44 : x
  2. Step 2: Convert to fraction form
    4,710.20/7,065.58 = 1,247.44/x
  3. Step 3: Cross multiply
    4,710.20x = 7,065.58 × 1,247.44
  4. Step 4: Simplify right side
    4,710.20x = 8,813,887.12
  5. Step 5: Solve for x
    x = 8,813,887.12/4,710.20
  6. Step 6: Final answer
    x = 1,871.23

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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.