Home / 4,649.40-6,969.48-1,875.60

Finding the Fourth Proportional to 4,649.40, 6,969.48 and 1,875.60

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Solution

The fourth proportional to 4,649.40, 6,969.48 and 1,875.60 is: 2,811.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,649.40 : 6,969.48 = 1,875.60 : x
  2. Step 2: Convert to fraction form
    4,649.40/6,969.48 = 1,875.60/x
  3. Step 3: Cross multiply
    4,649.40x = 6,969.48 × 1,875.60
  4. Step 4: Simplify right side
    4,649.40x = 13,071,956.69
  5. Step 5: Solve for x
    x = 13,071,956.69/4,649.40
  6. Step 6: Final answer
    x = 2,811.54

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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.