Home / 6,590.16-9,885.84-2,086.92

Finding the Fourth Proportional to 6,590.16, 9,885.84 and 2,086.92

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Solution

The fourth proportional to 6,590.16, 9,885.84 and 2,086.92 is: 3,130.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,590.16 : 9,885.84 = 2,086.92 : x
  2. Step 2: Convert to fraction form
    6,590.16/9,885.84 = 2,086.92/x
  3. Step 3: Cross multiply
    6,590.16x = 9,885.84 × 2,086.92
  4. Step 4: Simplify right side
    6,590.16x = 20,630,957.21
  5. Step 5: Solve for x
    x = 20,630,957.21/6,590.16
  6. Step 6: Final answer
    x = 3,130.57

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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.