Home / 5,276.51-7,909.59-4,291.34

Finding the Fourth Proportional to 5,276.51, 7,909.59 and 4,291.34

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Solution

The fourth proportional to 5,276.51, 7,909.59 and 4,291.34 is: 6,432.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.51 : 7,909.59 = 4,291.34 : x
  2. Step 2: Convert to fraction form
    5,276.51/7,909.59 = 4,291.34/x
  3. Step 3: Cross multiply
    5,276.51x = 7,909.59 × 4,291.34
  4. Step 4: Simplify right side
    5,276.51x = 33,942,700.40
  5. Step 5: Solve for x
    x = 33,942,700.40/5,276.51
  6. Step 6: Final answer
    x = 6,432.80

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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.