Home / 4,710.24-7,065.36-1,247.49

Finding the Fourth Proportional to 4,710.24, 7,065.36 and 1,247.49

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Solution

The fourth proportional to 4,710.24, 7,065.36 and 1,247.49 is: 1,871.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,710.24 : 7,065.36 = 1,247.49 : x
  2. Step 2: Convert to fraction form
    4,710.24/7,065.36 = 1,247.49/x
  3. Step 3: Cross multiply
    4,710.24x = 7,065.36 × 1,247.49
  4. Step 4: Simplify right side
    4,710.24x = 8,813,965.95
  5. Step 5: Solve for x
    x = 8,813,965.95/4,710.24
  6. Step 6: Final answer
    x = 1,871.24

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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.