Home / 8,977.06-12,389.82-6,848.57

Finding the Fourth Proportional to 8,977.06, 12,389.82 and 6,848.57

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Solution

The fourth proportional to 8,977.06, 12,389.82 and 6,848.57 is: 9,452.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,977.06 : 12,389.82 = 6,848.57 : x
  2. Step 2: Convert to fraction form
    8,977.06/12,389.82 = 6,848.57/x
  3. Step 3: Cross multiply
    8,977.06x = 12,389.82 × 6,848.57
  4. Step 4: Simplify right side
    8,977.06x = 84,852,518.58
  5. Step 5: Solve for x
    x = 84,852,518.58/8,977.06
  6. Step 6: Final answer
    x = 9,452.15

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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.