Home / 8,909.49-12,295.02-4,930.50

Finding the Fourth Proportional to 8,909.49, 12,295.02 and 4,930.50

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Solution

The fourth proportional to 8,909.49, 12,295.02 and 4,930.50 is: 6,804.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,909.49 : 12,295.02 = 4,930.50 : x
  2. Step 2: Convert to fraction form
    8,909.49/12,295.02 = 4,930.50/x
  3. Step 3: Cross multiply
    8,909.49x = 12,295.02 × 4,930.50
  4. Step 4: Simplify right side
    8,909.49x = 60,620,660.71
  5. Step 5: Solve for x
    x = 60,620,660.71/8,909.49
  6. Step 6: Final answer
    x = 6,804.05

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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.