Home / 5,643.04-7,788.26-3,518.92

Finding the Fourth Proportional to 5,643.04, 7,788.26 and 3,518.92

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Solution

The fourth proportional to 5,643.04, 7,788.26 and 3,518.92 is: 4,856.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,643.04 : 7,788.26 = 3,518.92 : x
  2. Step 2: Convert to fraction form
    5,643.04/7,788.26 = 3,518.92/x
  3. Step 3: Cross multiply
    5,643.04x = 7,788.26 × 3,518.92
  4. Step 4: Simplify right side
    5,643.04x = 27,406,207.34
  5. Step 5: Solve for x
    x = 27,406,207.34/5,643.04
  6. Step 6: Final answer
    x = 4,856.64

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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.