Home / 8,396.23-12,590.30-4,887.02

Finding the Fourth Proportional to 8,396.23, 12,590.30 and 4,887.02

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Solution

The fourth proportional to 8,396.23, 12,590.30 and 4,887.02 is: 7,328.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,396.23 : 12,590.30 = 4,887.02 : x
  2. Step 2: Convert to fraction form
    8,396.23/12,590.30 = 4,887.02/x
  3. Step 3: Cross multiply
    8,396.23x = 12,590.30 × 4,887.02
  4. Step 4: Simplify right side
    8,396.23x = 61,529,047.91
  5. Step 5: Solve for x
    x = 61,529,047.91/8,396.23
  6. Step 6: Final answer
    x = 7,328.18

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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.