Home / 8,685.14-13,030.84-3,417.24

Finding the Fourth Proportional to 8,685.14, 13,030.84 and 3,417.24

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Solution

The fourth proportional to 8,685.14, 13,030.84 and 3,417.24 is: 5,127.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,685.14 : 13,030.84 = 3,417.24 : x
  2. Step 2: Convert to fraction form
    8,685.14/13,030.84 = 3,417.24/x
  3. Step 3: Cross multiply
    8,685.14x = 13,030.84 × 3,417.24
  4. Step 4: Simplify right side
    8,685.14x = 44,529,507.68
  5. Step 5: Solve for x
    x = 44,529,507.68/8,685.14
  6. Step 6: Final answer
    x = 5,127.09

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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.