Home / 8,315.55-11,475.61-6,525.16

Finding the Fourth Proportional to 8,315.55, 11,475.61 and 6,525.16

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Solution

The fourth proportional to 8,315.55, 11,475.61 and 6,525.16 is: 9,004.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315.55 : 11,475.61 = 6,525.16 : x
  2. Step 2: Convert to fraction form
    8,315.55/11,475.61 = 6,525.16/x
  3. Step 3: Cross multiply
    8,315.55x = 11,475.61 × 6,525.16
  4. Step 4: Simplify right side
    8,315.55x = 74,880,146.35
  5. Step 5: Solve for x
    x = 74,880,146.35/8,315.55
  6. Step 6: Final answer
    x = 9,004.83

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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.