Home / 7,538.31-10,392.11-5,413.16

Finding the Fourth Proportional to 7,538.31, 10,392.11 and 5,413.16

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Solution

The fourth proportional to 7,538.31, 10,392.11 and 5,413.16 is: 7,462.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538.31 : 10,392.11 = 5,413.16 : x
  2. Step 2: Convert to fraction form
    7,538.31/10,392.11 = 5,413.16/x
  3. Step 3: Cross multiply
    7,538.31x = 10,392.11 × 5,413.16
  4. Step 4: Simplify right side
    7,538.31x = 56,254,127.10
  5. Step 5: Solve for x
    x = 56,254,127.10/7,538.31
  6. Step 6: Final answer
    x = 7,462.43

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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.