Home / 9,137.02-12,590.48-6,305.26

Finding the Fourth Proportional to 9,137.02, 12,590.48 and 6,305.26

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Solution

The fourth proportional to 9,137.02, 12,590.48 and 6,305.26 is: 8,688.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,137.02 : 12,590.48 = 6,305.26 : x
  2. Step 2: Convert to fraction form
    9,137.02/12,590.48 = 6,305.26/x
  3. Step 3: Cross multiply
    9,137.02x = 12,590.48 × 6,305.26
  4. Step 4: Simplify right side
    9,137.02x = 79,386,249.92
  5. Step 5: Solve for x
    x = 79,386,249.92/9,137.02
  6. Step 6: Final answer
    x = 8,688.42

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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.