Home / 8,570.18-12,840.60-4,677.32

Finding the Fourth Proportional to 8,570.18, 12,840.60 and 4,677.32

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Solution

The fourth proportional to 8,570.18, 12,840.60 and 4,677.32 is: 7,007.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,570.18 : 12,840.60 = 4,677.32 : x
  2. Step 2: Convert to fraction form
    8,570.18/12,840.60 = 4,677.32/x
  3. Step 3: Cross multiply
    8,570.18x = 12,840.60 × 4,677.32
  4. Step 4: Simplify right side
    8,570.18x = 60,059,595.19
  5. Step 5: Solve for x
    x = 60,059,595.19/8,570.18
  6. Step 6: Final answer
    x = 7,007.97

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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.