Home / 8,955.02-13,435.21-3,615.45

Finding the Fourth Proportional to 8,955.02, 13,435.21 and 3,615.45

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Solution

The fourth proportional to 8,955.02, 13,435.21 and 3,615.45 is: 5,424.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,955.02 : 13,435.21 = 3,615.45 : x
  2. Step 2: Convert to fraction form
    8,955.02/13,435.21 = 3,615.45/x
  3. Step 3: Cross multiply
    8,955.02x = 13,435.21 × 3,615.45
  4. Step 4: Simplify right side
    8,955.02x = 48,574,262.82
  5. Step 5: Solve for x
    x = 48,574,262.82/8,955.02
  6. Step 6: Final answer
    x = 5,424.25

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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.