Home / 8,280.51-12,417.12-4,384.01

Finding the Fourth Proportional to 8,280.51, 12,417.12 and 4,384.01

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Solution

The fourth proportional to 8,280.51, 12,417.12 and 4,384.01 is: 6,574.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,280.51 : 12,417.12 = 4,384.01 : x
  2. Step 2: Convert to fraction form
    8,280.51/12,417.12 = 4,384.01/x
  3. Step 3: Cross multiply
    8,280.51x = 12,417.12 × 4,384.01
  4. Step 4: Simplify right side
    8,280.51x = 54,436,716.17
  5. Step 5: Solve for x
    x = 54,436,716.17/8,280.51
  6. Step 6: Final answer
    x = 6,574.08

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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.