Home / 7,454.35-10,287.98-4,809.45

Finding the Fourth Proportional to 7,454.35, 10,287.98 and 4,809.45

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Solution

The fourth proportional to 7,454.35, 10,287.98 and 4,809.45 is: 6,637.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,454.35 : 10,287.98 = 4,809.45 : x
  2. Step 2: Convert to fraction form
    7,454.35/10,287.98 = 4,809.45/x
  3. Step 3: Cross multiply
    7,454.35x = 10,287.98 × 4,809.45
  4. Step 4: Simplify right side
    7,454.35x = 49,479,525.41
  5. Step 5: Solve for x
    x = 49,479,525.41/7,454.35
  6. Step 6: Final answer
    x = 6,637.67

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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.