Home / 9,360.28-14,038.02-4,428.60

Finding the Fourth Proportional to 9,360.28, 14,038.02 and 4,428.60

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Solution

The fourth proportional to 9,360.28, 14,038.02 and 4,428.60 is: 6,641.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,360.28 : 14,038.02 = 4,428.60 : x
  2. Step 2: Convert to fraction form
    9,360.28/14,038.02 = 4,428.60/x
  3. Step 3: Cross multiply
    9,360.28x = 14,038.02 × 4,428.60
  4. Step 4: Simplify right side
    9,360.28x = 62,168,775.37
  5. Step 5: Solve for x
    x = 62,168,775.37/9,360.28
  6. Step 6: Final answer
    x = 6,641.76

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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.