Home / 4,900.10-6,762.08-2,775.47

Finding the Fourth Proportional to 4,900.10, 6,762.08 and 2,775.47

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Solution

The fourth proportional to 4,900.10, 6,762.08 and 2,775.47 is: 3,830.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,900.10 : 6,762.08 = 2,775.47 : x
  2. Step 2: Convert to fraction form
    4,900.10/6,762.08 = 2,775.47/x
  3. Step 3: Cross multiply
    4,900.10x = 6,762.08 × 2,775.47
  4. Step 4: Simplify right side
    4,900.10x = 18,767,923.31
  5. Step 5: Solve for x
    x = 18,767,923.31/4,900.10
  6. Step 6: Final answer
    x = 3,830.11

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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.