Home / 4,223.60-6,335.40-3,130.10

Finding the Fourth Proportional to 4,223.60, 6,335.40 and 3,130.10

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Solution

The fourth proportional to 4,223.60, 6,335.40 and 3,130.10 is: 4,695.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,223.60 : 6,335.40 = 3,130.10 : x
  2. Step 2: Convert to fraction form
    4,223.60/6,335.40 = 3,130.10/x
  3. Step 3: Cross multiply
    4,223.60x = 6,335.40 × 3,130.10
  4. Step 4: Simplify right side
    4,223.60x = 19,830,435.54
  5. Step 5: Solve for x
    x = 19,830,435.54/4,223.60
  6. Step 6: Final answer
    x = 4,695.15

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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.