Home / 5,303.09-7,954.02-1,407.80

Finding the Fourth Proportional to 5,303.09, 7,954.02 and 1,407.80

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Solution

The fourth proportional to 5,303.09, 7,954.02 and 1,407.80 is: 2,111.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,303.09 : 7,954.02 = 1,407.80 : x
  2. Step 2: Convert to fraction form
    5,303.09/7,954.02 = 1,407.80/x
  3. Step 3: Cross multiply
    5,303.09x = 7,954.02 × 1,407.80
  4. Step 4: Simplify right side
    5,303.09x = 11,197,669.36
  5. Step 5: Solve for x
    x = 11,197,669.36/5,303.09
  6. Step 6: Final answer
    x = 2,111.54

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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.