Home / 7,207-9,945.66-4,412.50

Finding the Fourth Proportional to 7,207, 9,945.66 and 4,412.50

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Solution

The fourth proportional to 7,207, 9,945.66 and 4,412.50 is: 6,089.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,207 : 9,945.66 = 4,412.50 : x
  2. Step 2: Convert to fraction form
    7,207/9,945.66 = 4,412.50/x
  3. Step 3: Cross multiply
    7,207x = 9,945.66 × 4,412.50
  4. Step 4: Simplify right side
    7,207x = 43,885,224.75
  5. Step 5: Solve for x
    x = 43,885,224.75/7,207
  6. Step 6: Final answer
    x = 6,089.25

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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.