Home / 6,995.32-10,482.42-4,218.90

Finding the Fourth Proportional to 6,995.32, 10,482.42 and 4,218.90

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Solution

The fourth proportional to 6,995.32, 10,482.42 and 4,218.90 is: 6,321.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,995.32 : 10,482.42 = 4,218.90 : x
  2. Step 2: Convert to fraction form
    6,995.32/10,482.42 = 4,218.90/x
  3. Step 3: Cross multiply
    6,995.32x = 10,482.42 × 4,218.90
  4. Step 4: Simplify right side
    6,995.32x = 44,224,281.74
  5. Step 5: Solve for x
    x = 44,224,281.74/6,995.32
  6. Step 6: Final answer
    x = 6,321.98

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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.