Home / 7,326.32-10,987.32-4,205.78

Finding the Fourth Proportional to 7,326.32, 10,987.32 and 4,205.78

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Solution

The fourth proportional to 7,326.32, 10,987.32 and 4,205.78 is: 6,307.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,326.32 : 10,987.32 = 4,205.78 : x
  2. Step 2: Convert to fraction form
    7,326.32/10,987.32 = 4,205.78/x
  3. Step 3: Cross multiply
    7,326.32x = 10,987.32 × 4,205.78
  4. Step 4: Simplify right side
    7,326.32x = 46,210,250.71
  5. Step 5: Solve for x
    x = 46,210,250.71/7,326.32
  6. Step 6: Final answer
    x = 6,307.43

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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.