Home / 4,705.02-7,046.19-3,920.13

Finding the Fourth Proportional to 4,705.02, 7,046.19 and 3,920.13

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Solution

The fourth proportional to 4,705.02, 7,046.19 and 3,920.13 is: 5,870.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,705.02 : 7,046.19 = 3,920.13 : x
  2. Step 2: Convert to fraction form
    4,705.02/7,046.19 = 3,920.13/x
  3. Step 3: Cross multiply
    4,705.02x = 7,046.19 × 3,920.13
  4. Step 4: Simplify right side
    4,705.02x = 27,621,980.80
  5. Step 5: Solve for x
    x = 27,621,980.80/4,705.02
  6. Step 6: Final answer
    x = 5,870.75

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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.