Home / 4,899.02-7,346.64-1,778.36

Finding the Fourth Proportional to 4,899.02, 7,346.64 and 1,778.36

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Solution

The fourth proportional to 4,899.02, 7,346.64 and 1,778.36 is: 2,666.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,899.02 : 7,346.64 = 1,778.36 : x
  2. Step 2: Convert to fraction form
    4,899.02/7,346.64 = 1,778.36/x
  3. Step 3: Cross multiply
    4,899.02x = 7,346.64 × 1,778.36
  4. Step 4: Simplify right side
    4,899.02x = 13,064,970.71
  5. Step 5: Solve for x
    x = 13,064,970.71/4,899.02
  6. Step 6: Final answer
    x = 2,666.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.