Home / 7,475.09-10,315.35-4,330.67

Finding the Fourth Proportional to 7,475.09, 10,315.35 and 4,330.67

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Solution

The fourth proportional to 7,475.09, 10,315.35 and 4,330.67 is: 5,976.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475.09 : 10,315.35 = 4,330.67 : x
  2. Step 2: Convert to fraction form
    7,475.09/10,315.35 = 4,330.67/x
  3. Step 3: Cross multiply
    7,475.09x = 10,315.35 × 4,330.67
  4. Step 4: Simplify right side
    7,475.09x = 44,672,325.21
  5. Step 5: Solve for x
    x = 44,672,325.21/7,475.09
  6. Step 6: Final answer
    x = 5,976.16

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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.