Home / 9,051.15-12,490.39-5,274.08

Finding the Fourth Proportional to 9,051.15, 12,490.39 and 5,274.08

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Solution

The fourth proportional to 9,051.15, 12,490.39 and 5,274.08 is: 7,278.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,051.15 : 12,490.39 = 5,274.08 : x
  2. Step 2: Convert to fraction form
    9,051.15/12,490.39 = 5,274.08/x
  3. Step 3: Cross multiply
    9,051.15x = 12,490.39 × 5,274.08
  4. Step 4: Simplify right side
    9,051.15x = 65,875,316.09
  5. Step 5: Solve for x
    x = 65,875,316.09/9,051.15
  6. Step 6: Final answer
    x = 7,278.12

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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.