Home / 4,642.23-6,959.75-1,520.29

Finding the Fourth Proportional to 4,642.23, 6,959.75 and 1,520.29

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Solution

The fourth proportional to 4,642.23, 6,959.75 and 1,520.29 is: 2,279.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,642.23 : 6,959.75 = 1,520.29 : x
  2. Step 2: Convert to fraction form
    4,642.23/6,959.75 = 1,520.29/x
  3. Step 3: Cross multiply
    4,642.23x = 6,959.75 × 1,520.29
  4. Step 4: Simplify right side
    4,642.23x = 10,580,803.53
  5. Step 5: Solve for x
    x = 10,580,803.53/4,642.23
  6. Step 6: Final answer
    x = 2,279.25

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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.