Home / 7,538.04-10,402.35-4,135.07

Finding the Fourth Proportional to 7,538.04, 10,402.35 and 4,135.07

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Solution

The fourth proportional to 7,538.04, 10,402.35 and 4,135.07 is: 5,706.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538.04 : 10,402.35 = 4,135.07 : x
  2. Step 2: Convert to fraction form
    7,538.04/10,402.35 = 4,135.07/x
  3. Step 3: Cross multiply
    7,538.04x = 10,402.35 × 4,135.07
  4. Step 4: Simplify right side
    7,538.04x = 43,014,393.40
  5. Step 5: Solve for x
    x = 43,014,393.40/7,538.04
  6. Step 6: Final answer
    x = 5,706.31

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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.