Home / 5,313.07-7,930.64-4,690.39

Finding the Fourth Proportional to 5,313.07, 7,930.64 and 4,690.39

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Solution

The fourth proportional to 5,313.07, 7,930.64 and 4,690.39 is: 7,001.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,313.07 : 7,930.64 = 4,690.39 : x
  2. Step 2: Convert to fraction form
    5,313.07/7,930.64 = 4,690.39/x
  3. Step 3: Cross multiply
    5,313.07x = 7,930.64 × 4,690.39
  4. Step 4: Simplify right side
    5,313.07x = 37,197,794.55
  5. Step 5: Solve for x
    x = 37,197,794.55/5,313.07
  6. Step 6: Final answer
    x = 7,001.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.