Home / 5,303.36-7,319.28-2,945.76

Finding the Fourth Proportional to 5,303.36, 7,319.28 and 2,945.76

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Solution

The fourth proportional to 5,303.36, 7,319.28 and 2,945.76 is: 4,065.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,303.36 : 7,319.28 = 2,945.76 : x
  2. Step 2: Convert to fraction form
    5,303.36/7,319.28 = 2,945.76/x
  3. Step 3: Cross multiply
    5,303.36x = 7,319.28 × 2,945.76
  4. Step 4: Simplify right side
    5,303.36x = 21,560,842.25
  5. Step 5: Solve for x
    x = 21,560,842.25/5,303.36
  6. Step 6: Final answer
    x = 4,065.51

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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.