Home / 5,253.39-7,880.07-1,357.77

Finding the Fourth Proportional to 5,253.39, 7,880.07 and 1,357.77

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Solution

The fourth proportional to 5,253.39, 7,880.07 and 1,357.77 is: 2,036.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,253.39 : 7,880.07 = 1,357.77 : x
  2. Step 2: Convert to fraction form
    5,253.39/7,880.07 = 1,357.77/x
  3. Step 3: Cross multiply
    5,253.39x = 7,880.07 × 1,357.77
  4. Step 4: Simplify right side
    5,253.39x = 10,699,322.64
  5. Step 5: Solve for x
    x = 10,699,322.64/5,253.39
  6. Step 6: Final answer
    x = 2,036.65

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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.