Home / 7,506.74-10,378.98-6,247.32

Finding the Fourth Proportional to 7,506.74, 10,378.98 and 6,247.32

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Solution

The fourth proportional to 7,506.74, 10,378.98 and 6,247.32 is: 8,637.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,506.74 : 10,378.98 = 6,247.32 : x
  2. Step 2: Convert to fraction form
    7,506.74/10,378.98 = 6,247.32/x
  3. Step 3: Cross multiply
    7,506.74x = 10,378.98 × 6,247.32
  4. Step 4: Simplify right side
    7,506.74x = 64,840,809.33
  5. Step 5: Solve for x
    x = 64,840,809.33/7,506.74
  6. Step 6: Final answer
    x = 8,637.68

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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.