Home / 9,429.08-14,140.85-2,853.50

Finding the Fourth Proportional to 9,429.08, 14,140.85 and 2,853.50

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Solution

The fourth proportional to 9,429.08, 14,140.85 and 2,853.50 is: 4,279.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,429.08 : 14,140.85 = 2,853.50 : x
  2. Step 2: Convert to fraction form
    9,429.08/14,140.85 = 2,853.50/x
  3. Step 3: Cross multiply
    9,429.08x = 14,140.85 × 2,853.50
  4. Step 4: Simplify right side
    9,429.08x = 40,350,830.50
  5. Step 5: Solve for x
    x = 40,350,830.50/9,429.08
  6. Step 6: Final answer
    x = 4,279.40

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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.