Home / 4,607.26-6,909.98-1,319.47

Finding the Fourth Proportional to 4,607.26, 6,909.98 and 1,319.47

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Solution

The fourth proportional to 4,607.26, 6,909.98 and 1,319.47 is: 1,978.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,607.26 : 6,909.98 = 1,319.47 : x
  2. Step 2: Convert to fraction form
    4,607.26/6,909.98 = 1,319.47/x
  3. Step 3: Cross multiply
    4,607.26x = 6,909.98 × 1,319.47
  4. Step 4: Simplify right side
    4,607.26x = 9,117,487.44
  5. Step 5: Solve for x
    x = 9,117,487.44/4,607.26
  6. Step 6: Final answer
    x = 1,978.94

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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.