Home / 7,455.19-10,289.70-4,312.39

Finding the Fourth Proportional to 7,455.19, 10,289.70 and 4,312.39

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Solution

The fourth proportional to 7,455.19, 10,289.70 and 4,312.39 is: 5,951.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,455.19 : 10,289.70 = 4,312.39 : x
  2. Step 2: Convert to fraction form
    7,455.19/10,289.70 = 4,312.39/x
  3. Step 3: Cross multiply
    7,455.19x = 10,289.70 × 4,312.39
  4. Step 4: Simplify right side
    7,455.19x = 44,373,199.38
  5. Step 5: Solve for x
    x = 44,373,199.38/7,455.19
  6. Step 6: Final answer
    x = 5,951.99

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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.