Home / 9,211.56-13,813.06-2,970.40

Finding the Fourth Proportional to 9,211.56, 13,813.06 and 2,970.40

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Solution

The fourth proportional to 9,211.56, 13,813.06 and 2,970.40 is: 4,454.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,211.56 : 13,813.06 = 2,970.40 : x
  2. Step 2: Convert to fraction form
    9,211.56/13,813.06 = 2,970.40/x
  3. Step 3: Cross multiply
    9,211.56x = 13,813.06 × 2,970.40
  4. Step 4: Simplify right side
    9,211.56x = 41,030,313.42
  5. Step 5: Solve for x
    x = 41,030,313.42/9,211.56
  6. Step 6: Final answer
    x = 4,454.22

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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.