Home / 4,919.19-7,387.59-4,721.00

Finding the Fourth Proportional to 4,919.19, 7,387.59 and 4,721.00

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Solution

The fourth proportional to 4,919.19, 7,387.59 and 4,721.00 is: 7,089.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.19 : 7,387.59 = 4,721.00 : x
  2. Step 2: Convert to fraction form
    4,919.19/7,387.59 = 4,721.00/x
  3. Step 3: Cross multiply
    4,919.19x = 7,387.59 × 4,721.00
  4. Step 4: Simplify right side
    4,919.19x = 34,876,775.45
  5. Step 5: Solve for x
    x = 34,876,775.45/4,919.19
  6. Step 6: Final answer
    x = 7,089.94

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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.