Home / 8,424.87-12,637.63-2,184.72

Finding the Fourth Proportional to 8,424.87, 12,637.63 and 2,184.72

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Solution

The fourth proportional to 8,424.87, 12,637.63 and 2,184.72 is: 3,277.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,424.87 : 12,637.63 = 2,184.72 : x
  2. Step 2: Convert to fraction form
    8,424.87/12,637.63 = 2,184.72/x
  3. Step 3: Cross multiply
    8,424.87x = 12,637.63 × 2,184.72
  4. Step 4: Simplify right side
    8,424.87x = 27,609,712.51
  5. Step 5: Solve for x
    x = 27,609,712.51/8,424.87
  6. Step 6: Final answer
    x = 3,277.17

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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.