Home / 9,799.50-14,700.02-2,779.40

Finding the Fourth Proportional to 9,799.50, 14,700.02 and 2,779.40

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Solution

The fourth proportional to 9,799.50, 14,700.02 and 2,779.40 is: 4,169.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,799.50 : 14,700.02 = 2,779.40 : x
  2. Step 2: Convert to fraction form
    9,799.50/14,700.02 = 2,779.40/x
  3. Step 3: Cross multiply
    9,799.50x = 14,700.02 × 2,779.40
  4. Step 4: Simplify right side
    9,799.50x = 40,857,235.59
  5. Step 5: Solve for x
    x = 40,857,235.59/9,799.50
  6. Step 6: Final answer
    x = 4,169.32

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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.