Home / 6,280.48-9,420.72-1,897.70

Finding the Fourth Proportional to 6,280.48, 9,420.72 and 1,897.70

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Solution

The fourth proportional to 6,280.48, 9,420.72 and 1,897.70 is: 2,846.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,280.48 : 9,420.72 = 1,897.70 : x
  2. Step 2: Convert to fraction form
    6,280.48/9,420.72 = 1,897.70/x
  3. Step 3: Cross multiply
    6,280.48x = 9,420.72 × 1,897.70
  4. Step 4: Simplify right side
    6,280.48x = 17,877,700.34
  5. Step 5: Solve for x
    x = 17,877,700.34/6,280.48
  6. Step 6: Final answer
    x = 2,846.55

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Similar ratio
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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.