Home / 8,559.40-12,852.30-4,671.40

Finding the Fourth Proportional to 8,559.40, 12,852.30 and 4,671.40

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Solution

The fourth proportional to 8,559.40, 12,852.30 and 4,671.40 is: 7,014.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,559.40 : 12,852.30 = 4,671.40 : x
  2. Step 2: Convert to fraction form
    8,559.40/12,852.30 = 4,671.40/x
  3. Step 3: Cross multiply
    8,559.40x = 12,852.30 × 4,671.40
  4. Step 4: Simplify right side
    8,559.40x = 60,038,234.22
  5. Step 5: Solve for x
    x = 60,038,234.22/8,559.40
  6. Step 6: Final answer
    x = 7,014.30

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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.