Home / 7,721.01-10,655.01-4,184.28

Finding the Fourth Proportional to 7,721.01, 10,655.01 and 4,184.28

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Solution

The fourth proportional to 7,721.01, 10,655.01 and 4,184.28 is: 5,774.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,721.01 : 10,655.01 = 4,184.28 : x
  2. Step 2: Convert to fraction form
    7,721.01/10,655.01 = 4,184.28/x
  3. Step 3: Cross multiply
    7,721.01x = 10,655.01 × 4,184.28
  4. Step 4: Simplify right side
    7,721.01x = 44,583,545.24
  5. Step 5: Solve for x
    x = 44,583,545.24/7,721.01
  6. Step 6: Final answer
    x = 5,774.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.