Home / 5,345.26-7,376.27-2,987.35

Finding the Fourth Proportional to 5,345.26, 7,376.27 and 2,987.35

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Solution

The fourth proportional to 5,345.26, 7,376.27 and 2,987.35 is: 4,122.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345.26 : 7,376.27 = 2,987.35 : x
  2. Step 2: Convert to fraction form
    5,345.26/7,376.27 = 2,987.35/x
  3. Step 3: Cross multiply
    5,345.26x = 7,376.27 × 2,987.35
  4. Step 4: Simplify right side
    5,345.26x = 22,035,466.81
  5. Step 5: Solve for x
    x = 22,035,466.81/5,345.26
  6. Step 6: Final answer
    x = 4,122.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.