Home / 7,245.08-9,988.55-6,506.96

Finding the Fourth Proportional to 7,245.08, 9,988.55 and 6,506.96

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Solution

The fourth proportional to 7,245.08, 9,988.55 and 6,506.96 is: 8,970.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,245.08 : 9,988.55 = 6,506.96 : x
  2. Step 2: Convert to fraction form
    7,245.08/9,988.55 = 6,506.96/x
  3. Step 3: Cross multiply
    7,245.08x = 9,988.55 × 6,506.96
  4. Step 4: Simplify right side
    7,245.08x = 64,995,095.31
  5. Step 5: Solve for x
    x = 64,995,095.31/7,245.08
  6. Step 6: Final answer
    x = 8,970.93

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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.