Home / 4,673.60-7,010.40-2,830.40

Finding the Fourth Proportional to 4,673.60, 7,010.40 and 2,830.40

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Solution

The fourth proportional to 4,673.60, 7,010.40 and 2,830.40 is: 4,245.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,673.60 : 7,010.40 = 2,830.40 : x
  2. Step 2: Convert to fraction form
    4,673.60/7,010.40 = 2,830.40/x
  3. Step 3: Cross multiply
    4,673.60x = 7,010.40 × 2,830.40
  4. Step 4: Simplify right side
    4,673.60x = 19,842,236.16
  5. Step 5: Solve for x
    x = 19,842,236.16/4,673.60
  6. Step 6: Final answer
    x = 4,245.60

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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.