Home / 7,538.51-10,403.10-4,181.30

Finding the Fourth Proportional to 7,538.51, 10,403.10 and 4,181.30

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Solution

The fourth proportional to 7,538.51, 10,403.10 and 4,181.30 is: 5,770.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538.51 : 10,403.10 = 4,181.30 : x
  2. Step 2: Convert to fraction form
    7,538.51/10,403.10 = 4,181.30/x
  3. Step 3: Cross multiply
    7,538.51x = 10,403.10 × 4,181.30
  4. Step 4: Simplify right side
    7,538.51x = 43,498,482.03
  5. Step 5: Solve for x
    x = 43,498,482.03/7,538.51
  6. Step 6: Final answer
    x = 5,770.17

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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.