Home / 5,106.48-7,646.76-4,078.32

Finding the Fourth Proportional to 5,106.48, 7,646.76 and 4,078.32

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Solution

The fourth proportional to 5,106.48, 7,646.76 and 4,078.32 is: 6,107.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,106.48 : 7,646.76 = 4,078.32 : x
  2. Step 2: Convert to fraction form
    5,106.48/7,646.76 = 4,078.32/x
  3. Step 3: Cross multiply
    5,106.48x = 7,646.76 × 4,078.32
  4. Step 4: Simplify right side
    5,106.48x = 31,185,934.24
  5. Step 5: Solve for x
    x = 31,185,934.24/5,106.48
  6. Step 6: Final answer
    x = 6,107.13

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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.