Home / 7,605.32-11,394.41-4,642.20

Finding the Fourth Proportional to 7,605.32, 11,394.41 and 4,642.20

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Solution

The fourth proportional to 7,605.32, 11,394.41 and 4,642.20 is: 6,955.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,605.32 : 11,394.41 = 4,642.20 : x
  2. Step 2: Convert to fraction form
    7,605.32/11,394.41 = 4,642.20/x
  3. Step 3: Cross multiply
    7,605.32x = 11,394.41 × 4,642.20
  4. Step 4: Simplify right side
    7,605.32x = 52,895,106.89
  5. Step 5: Solve for x
    x = 52,895,106.89/7,605.32
  6. Step 6: Final answer
    x = 6,955.02

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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.