Home / 7,938.18-10,953.90-4,750.83

Finding the Fourth Proportional to 7,938.18, 10,953.90 and 4,750.83

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Solution

The fourth proportional to 7,938.18, 10,953.90 and 4,750.83 is: 6,555.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938.18 : 10,953.90 = 4,750.83 : x
  2. Step 2: Convert to fraction form
    7,938.18/10,953.90 = 4,750.83/x
  3. Step 3: Cross multiply
    7,938.18x = 10,953.90 × 4,750.83
  4. Step 4: Simplify right side
    7,938.18x = 52,040,116.74
  5. Step 5: Solve for x
    x = 52,040,116.74/7,938.18
  6. Step 6: Final answer
    x = 6,555.67

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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.