Home / 5,353.40-8,033.70-2,430.20

Finding the Fourth Proportional to 5,353.40, 8,033.70 and 2,430.20

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Solution

The fourth proportional to 5,353.40, 8,033.70 and 2,430.20 is: 3,646.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,353.40 : 8,033.70 = 2,430.20 : x
  2. Step 2: Convert to fraction form
    5,353.40/8,033.70 = 2,430.20/x
  3. Step 3: Cross multiply
    5,353.40x = 8,033.70 × 2,430.20
  4. Step 4: Simplify right side
    5,353.40x = 19,523,497.74
  5. Step 5: Solve for x
    x = 19,523,497.74/5,353.40
  6. Step 6: Final answer
    x = 3,646.93

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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.