Home / 8,723.66-12,037.48-5,185.58

Finding the Fourth Proportional to 8,723.66, 12,037.48 and 5,185.58

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Solution

The fourth proportional to 8,723.66, 12,037.48 and 5,185.58 is: 7,155.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,723.66 : 12,037.48 = 5,185.58 : x
  2. Step 2: Convert to fraction form
    8,723.66/12,037.48 = 5,185.58/x
  3. Step 3: Cross multiply
    8,723.66x = 12,037.48 × 5,185.58
  4. Step 4: Simplify right side
    8,723.66x = 62,421,242.39
  5. Step 5: Solve for x
    x = 62,421,242.39/8,723.66
  6. Step 6: Final answer
    x = 7,155.40

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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.