Home / 4,679.19-6,458.32-2,977.35

Finding the Fourth Proportional to 4,679.19, 6,458.32 and 2,977.35

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Solution

The fourth proportional to 4,679.19, 6,458.32 and 2,977.35 is: 4,109.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679.19 : 6,458.32 = 2,977.35 : x
  2. Step 2: Convert to fraction form
    4,679.19/6,458.32 = 2,977.35/x
  3. Step 3: Cross multiply
    4,679.19x = 6,458.32 × 2,977.35
  4. Step 4: Simplify right side
    4,679.19x = 19,228,671.61
  5. Step 5: Solve for x
    x = 19,228,671.61/4,679.19
  6. Step 6: Final answer
    x = 4,109.40

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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.