Home / 4,927.51-7,391.21-1,417.60

Finding the Fourth Proportional to 4,927.51, 7,391.21 and 1,417.60

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Solution

The fourth proportional to 4,927.51, 7,391.21 and 1,417.60 is: 2,126.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,927.51 : 7,391.21 = 1,417.60 : x
  2. Step 2: Convert to fraction form
    4,927.51/7,391.21 = 1,417.60/x
  3. Step 3: Cross multiply
    4,927.51x = 7,391.21 × 1,417.60
  4. Step 4: Simplify right side
    4,927.51x = 10,477,779.30
  5. Step 5: Solve for x
    x = 10,477,779.30/4,927.51
  6. Step 6: Final answer
    x = 2,126.38

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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.