Home / 4,445.60-6,667.40-1,979.08

Finding the Fourth Proportional to 4,445.60, 6,667.40 and 1,979.08

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Solution

The fourth proportional to 4,445.60, 6,667.40 and 1,979.08 is: 2,968.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,445.60 : 6,667.40 = 1,979.08 : x
  2. Step 2: Convert to fraction form
    4,445.60/6,667.40 = 1,979.08/x
  3. Step 3: Cross multiply
    4,445.60x = 6,667.40 × 1,979.08
  4. Step 4: Simplify right side
    4,445.60x = 13,195,317.99
  5. Step 5: Solve for x
    x = 13,195,317.99/4,445.60
  6. Step 6: Final answer
    x = 2,968.17

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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.