Home / 4,930.34-7,389.30-4,312.58

Finding the Fourth Proportional to 4,930.34, 7,389.30 and 4,312.58

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Solution

The fourth proportional to 4,930.34, 7,389.30 and 4,312.58 is: 6,463.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,930.34 : 7,389.30 = 4,312.58 : x
  2. Step 2: Convert to fraction form
    4,930.34/7,389.30 = 4,312.58/x
  3. Step 3: Cross multiply
    4,930.34x = 7,389.30 × 4,312.58
  4. Step 4: Simplify right side
    4,930.34x = 31,866,947.39
  5. Step 5: Solve for x
    x = 31,866,947.39/4,930.34
  6. Step 6: Final answer
    x = 6,463.44

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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.