Home / 8,424.22-12,637.95-2,802.28

Finding the Fourth Proportional to 8,424.22, 12,637.95 and 2,802.28

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Solution

The fourth proportional to 8,424.22, 12,637.95 and 2,802.28 is: 4,203.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,424.22 : 12,637.95 = 2,802.28 : x
  2. Step 2: Convert to fraction form
    8,424.22/12,637.95 = 2,802.28/x
  3. Step 3: Cross multiply
    8,424.22x = 12,637.95 × 2,802.28
  4. Step 4: Simplify right side
    8,424.22x = 35,415,074.53
  5. Step 5: Solve for x
    x = 35,415,074.53/8,424.22
  6. Step 6: Final answer
    x = 4,203.96

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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.