Home / 7,538.93-10,403.80-4,182.08

Finding the Fourth Proportional to 7,538.93, 10,403.80 and 4,182.08

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Solution

The fourth proportional to 7,538.93, 10,403.80 and 4,182.08 is: 5,771.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538.93 : 10,403.80 = 4,182.08 : x
  2. Step 2: Convert to fraction form
    7,538.93/10,403.80 = 4,182.08/x
  3. Step 3: Cross multiply
    7,538.93x = 10,403.80 × 4,182.08
  4. Step 4: Simplify right side
    7,538.93x = 43,509,461.43
  5. Step 5: Solve for x
    x = 43,509,461.43/7,538.93
  6. Step 6: Final answer
    x = 5,771.30

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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.