Home / 6,280.02-8,649.79-4,681.55

Finding the Fourth Proportional to 6,280.02, 8,649.79 and 4,681.55

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Solution

The fourth proportional to 6,280.02, 8,649.79 and 4,681.55 is: 6,448.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,280.02 : 8,649.79 = 4,681.55 : x
  2. Step 2: Convert to fraction form
    6,280.02/8,649.79 = 4,681.55/x
  3. Step 3: Cross multiply
    6,280.02x = 8,649.79 × 4,681.55
  4. Step 4: Simplify right side
    6,280.02x = 40,494,424.37
  5. Step 5: Solve for x
    x = 40,494,424.37/6,280.02
  6. Step 6: Final answer
    x = 6,448.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.