Home / 9,322.33-12,864.84-5,130.58

Finding the Fourth Proportional to 9,322.33, 12,864.84 and 5,130.58

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Solution

The fourth proportional to 9,322.33, 12,864.84 and 5,130.58 is: 7,080.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,322.33 : 12,864.84 = 5,130.58 : x
  2. Step 2: Convert to fraction form
    9,322.33/12,864.84 = 5,130.58/x
  3. Step 3: Cross multiply
    9,322.33x = 12,864.84 × 5,130.58
  4. Step 4: Simplify right side
    9,322.33x = 66,004,045.82
  5. Step 5: Solve for x
    x = 66,004,045.82/9,322.33
  6. Step 6: Final answer
    x = 7,080.21

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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.