Home / 5,308.60-7,953.30-4,329.40

Finding the Fourth Proportional to 5,308.60, 7,953.30 and 4,329.40

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Solution

The fourth proportional to 5,308.60, 7,953.30 and 4,329.40 is: 6,486.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,308.60 : 7,953.30 = 4,329.40 : x
  2. Step 2: Convert to fraction form
    5,308.60/7,953.30 = 4,329.40/x
  3. Step 3: Cross multiply
    5,308.60x = 7,953.30 × 4,329.40
  4. Step 4: Simplify right side
    5,308.60x = 34,433,017.02
  5. Step 5: Solve for x
    x = 34,433,017.02/5,308.60
  6. Step 6: Final answer
    x = 6,486.27

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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.