Home / 8,765.12-12,095.38-4,785.44

Finding the Fourth Proportional to 8,765.12, 12,095.38 and 4,785.44

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Solution

The fourth proportional to 8,765.12, 12,095.38 and 4,785.44 is: 6,603.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,765.12 : 12,095.38 = 4,785.44 : x
  2. Step 2: Convert to fraction form
    8,765.12/12,095.38 = 4,785.44/x
  3. Step 3: Cross multiply
    8,765.12x = 12,095.38 × 4,785.44
  4. Step 4: Simplify right side
    8,765.12x = 57,881,715.27
  5. Step 5: Solve for x
    x = 57,881,715.27/8,765.12
  6. Step 6: Final answer
    x = 6,603.64

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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.