Home / 6,279.16-9,411.42-4,620.36

Finding the Fourth Proportional to 6,279.16, 9,411.42 and 4,620.36

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Solution

The fourth proportional to 6,279.16, 9,411.42 and 4,620.36 is: 6,925.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,279.16 : 9,411.42 = 4,620.36 : x
  2. Step 2: Convert to fraction form
    6,279.16/9,411.42 = 4,620.36/x
  3. Step 3: Cross multiply
    6,279.16x = 9,411.42 × 4,620.36
  4. Step 4: Simplify right side
    6,279.16x = 43,484,148.51
  5. Step 5: Solve for x
    x = 43,484,148.51/6,279.16
  6. Step 6: Final answer
    x = 6,925.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.