Home / 5,313.53-7,970.31-1,417.93

Finding the Fourth Proportional to 5,313.53, 7,970.31 and 1,417.93

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Solution

The fourth proportional to 5,313.53, 7,970.31 and 1,417.93 is: 2,126.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,313.53 : 7,970.31 = 1,417.93 : x
  2. Step 2: Convert to fraction form
    5,313.53/7,970.31 = 1,417.93/x
  3. Step 3: Cross multiply
    5,313.53x = 7,970.31 × 1,417.93
  4. Step 4: Simplify right side
    5,313.53x = 11,301,321.73
  5. Step 5: Solve for x
    x = 11,301,321.73/5,313.53
  6. Step 6: Final answer
    x = 2,126.89

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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.