Home / 6,370.48-8,767.32-5,388.64

Finding the Fourth Proportional to 6,370.48, 8,767.32 and 5,388.64

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Solution

The fourth proportional to 6,370.48, 8,767.32 and 5,388.64 is: 7,416.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,370.48 : 8,767.32 = 5,388.64 : x
  2. Step 2: Convert to fraction form
    6,370.48/8,767.32 = 5,388.64/x
  3. Step 3: Cross multiply
    6,370.48x = 8,767.32 × 5,388.64
  4. Step 4: Simplify right side
    6,370.48x = 47,243,931.24
  5. Step 5: Solve for x
    x = 47,243,931.24/6,370.48
  6. Step 6: Final answer
    x = 7,416.07

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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.