Home / 7,110.34-9,809.85-4,315.30

Finding the Fourth Proportional to 7,110.34, 9,809.85 and 4,315.30

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Solution

The fourth proportional to 7,110.34, 9,809.85 and 4,315.30 is: 5,953.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,110.34 : 9,809.85 = 4,315.30 : x
  2. Step 2: Convert to fraction form
    7,110.34/9,809.85 = 4,315.30/x
  3. Step 3: Cross multiply
    7,110.34x = 9,809.85 × 4,315.30
  4. Step 4: Simplify right side
    7,110.34x = 42,332,445.71
  5. Step 5: Solve for x
    x = 42,332,445.71/7,110.34
  6. Step 6: Final answer
    x = 5,953.65

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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.