Home / 9,479.08-13,084.22-6,499.30

Finding the Fourth Proportional to 9,479.08, 13,084.22 and 6,499.30

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Solution

The fourth proportional to 9,479.08, 13,084.22 and 6,499.30 is: 8,971.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,479.08 : 13,084.22 = 6,499.30 : x
  2. Step 2: Convert to fraction form
    9,479.08/13,084.22 = 6,499.30/x
  3. Step 3: Cross multiply
    9,479.08x = 13,084.22 × 6,499.30
  4. Step 4: Simplify right side
    9,479.08x = 85,038,271.05
  5. Step 5: Solve for x
    x = 85,038,271.05/9,479.08
  6. Step 6: Final answer
    x = 8,971.15

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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.