Home / 7,279.32-10,035.29-6,155.75

Finding the Fourth Proportional to 7,279.32, 10,035.29 and 6,155.75

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Solution

The fourth proportional to 7,279.32, 10,035.29 and 6,155.75 is: 8,486.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,279.32 : 10,035.29 = 6,155.75 : x
  2. Step 2: Convert to fraction form
    7,279.32/10,035.29 = 6,155.75/x
  3. Step 3: Cross multiply
    7,279.32x = 10,035.29 × 6,155.75
  4. Step 4: Simplify right side
    7,279.32x = 61,774,655.46
  5. Step 5: Solve for x
    x = 61,774,655.46/7,279.32
  6. Step 6: Final answer
    x = 8,486.32

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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.