Home / 4,809.78-6,637.55-2,656.26

Finding the Fourth Proportional to 4,809.78, 6,637.55 and 2,656.26

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Solution

The fourth proportional to 4,809.78, 6,637.55 and 2,656.26 is: 3,665.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,809.78 : 6,637.55 = 2,656.26 : x
  2. Step 2: Convert to fraction form
    4,809.78/6,637.55 = 2,656.26/x
  3. Step 3: Cross multiply
    4,809.78x = 6,637.55 × 2,656.26
  4. Step 4: Simplify right side
    4,809.78x = 17,631,045.28
  5. Step 5: Solve for x
    x = 17,631,045.28/4,809.78
  6. Step 6: Final answer
    x = 3,665.67

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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.