Home / 9,707.30-13,394.96-5,457.50

Finding the Fourth Proportional to 9,707.30, 13,394.96 and 5,457.50

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Solution

The fourth proportional to 9,707.30, 13,394.96 and 5,457.50 is: 7,530.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,707.30 : 13,394.96 = 5,457.50 : x
  2. Step 2: Convert to fraction form
    9,707.30/13,394.96 = 5,457.50/x
  3. Step 3: Cross multiply
    9,707.30x = 13,394.96 × 5,457.50
  4. Step 4: Simplify right side
    9,707.30x = 73,102,994.20
  5. Step 5: Solve for x
    x = 73,102,994.20/9,707.30
  6. Step 6: Final answer
    x = 7,530.72

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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.