Home / 9,639.68-13,297.62-5,864.00

Finding the Fourth Proportional to 9,639.68, 13,297.62 and 5,864.00

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Solution

The fourth proportional to 9,639.68, 13,297.62 and 5,864.00 is: 8,089.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,639.68 : 13,297.62 = 5,864.00 : x
  2. Step 2: Convert to fraction form
    9,639.68/13,297.62 = 5,864.00/x
  3. Step 3: Cross multiply
    9,639.68x = 13,297.62 × 5,864.00
  4. Step 4: Simplify right side
    9,639.68x = 77,977,177.19
  5. Step 5: Solve for x
    x = 77,977,177.19/9,639.68
  6. Step 6: Final answer
    x = 8,089.19

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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.