Home / 7,346.08-11,019.12-4,266.40

Finding the Fourth Proportional to 7,346.08, 11,019.12 and 4,266.40

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Solution

The fourth proportional to 7,346.08, 11,019.12 and 4,266.40 is: 6,399.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,346.08 : 11,019.12 = 4,266.40 : x
  2. Step 2: Convert to fraction form
    7,346.08/11,019.12 = 4,266.40/x
  3. Step 3: Cross multiply
    7,346.08x = 11,019.12 × 4,266.40
  4. Step 4: Simplify right side
    7,346.08x = 47,011,973.57
  5. Step 5: Solve for x
    x = 47,011,973.57/7,346.08
  6. Step 6: Final answer
    x = 6,399.60

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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.