Home / 9,291.07-12,822.35-5,312.08

Finding the Fourth Proportional to 9,291.07, 12,822.35 and 5,312.08

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Solution

The fourth proportional to 9,291.07, 12,822.35 and 5,312.08 is: 7,331.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,291.07 : 12,822.35 = 5,312.08 : x
  2. Step 2: Convert to fraction form
    9,291.07/12,822.35 = 5,312.08/x
  3. Step 3: Cross multiply
    9,291.07x = 12,822.35 × 5,312.08
  4. Step 4: Simplify right side
    9,291.07x = 68,113,348.99
  5. Step 5: Solve for x
    x = 68,113,348.99/9,291.07
  6. Step 6: Final answer
    x = 7,331.06

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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.