Home / 7,637.16-10,538.36-4,279.21

Finding the Fourth Proportional to 7,637.16, 10,538.36 and 4,279.21

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Solution

The fourth proportional to 7,637.16, 10,538.36 and 4,279.21 is: 5,904.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,637.16 : 10,538.36 = 4,279.21 : x
  2. Step 2: Convert to fraction form
    7,637.16/10,538.36 = 4,279.21/x
  3. Step 3: Cross multiply
    7,637.16x = 10,538.36 × 4,279.21
  4. Step 4: Simplify right side
    7,637.16x = 45,095,807.75
  5. Step 5: Solve for x
    x = 45,095,807.75/7,637.16
  6. Step 6: Final answer
    x = 5,904.79

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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.