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Finding the Fourth Proportional to 6,521.32, 8,986.98 and 4,655.08

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Solution

The fourth proportional to 6,521.32, 8,986.98 and 4,655.08 is: 6,415.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,521.32 : 8,986.98 = 4,655.08 : x
  2. Step 2: Convert to fraction form
    6,521.32/8,986.98 = 4,655.08/x
  3. Step 3: Cross multiply
    6,521.32x = 8,986.98 × 4,655.08
  4. Step 4: Simplify right side
    6,521.32x = 41,835,110.86
  5. Step 5: Solve for x
    x = 41,835,110.86/6,521.32
  6. Step 6: Final answer
    x = 6,415.13

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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.