Home / 8,415.15-12,616.65-4,718.52

Finding the Fourth Proportional to 8,415.15, 12,616.65 and 4,718.52

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Solution

The fourth proportional to 8,415.15, 12,616.65 and 4,718.52 is: 7,074.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,415.15 : 12,616.65 = 4,718.52 : x
  2. Step 2: Convert to fraction form
    8,415.15/12,616.65 = 4,718.52/x
  3. Step 3: Cross multiply
    8,415.15x = 12,616.65 × 4,718.52
  4. Step 4: Simplify right side
    8,415.15x = 59,531,852.27
  5. Step 5: Solve for x
    x = 59,531,852.27/8,415.15
  6. Step 6: Final answer
    x = 7,074.37

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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.