Home / 8,521.47-12,783.51-2,677.50

Finding the Fourth Proportional to 8,521.47, 12,783.51 and 2,677.50

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Solution

The fourth proportional to 8,521.47, 12,783.51 and 2,677.50 is: 4,016.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,521.47 : 12,783.51 = 2,677.50 : x
  2. Step 2: Convert to fraction form
    8,521.47/12,783.51 = 2,677.50/x
  3. Step 3: Cross multiply
    8,521.47x = 12,783.51 × 2,677.50
  4. Step 4: Simplify right side
    8,521.47x = 34,227,848.03
  5. Step 5: Solve for x
    x = 34,227,848.03/8,521.47
  6. Step 6: Final answer
    x = 4,016.66

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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.