Home / 6,916.02-10,374.44-1,985.55

Finding the Fourth Proportional to 6,916.02, 10,374.44 and 1,985.55

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Solution

The fourth proportional to 6,916.02, 10,374.44 and 1,985.55 is: 2,978.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,916.02 : 10,374.44 = 1,985.55 : x
  2. Step 2: Convert to fraction form
    6,916.02/10,374.44 = 1,985.55/x
  3. Step 3: Cross multiply
    6,916.02x = 10,374.44 × 1,985.55
  4. Step 4: Simplify right side
    6,916.02x = 20,598,959.41
  5. Step 5: Solve for x
    x = 20,598,959.41/6,916.02
  6. Step 6: Final answer
    x = 2,978.44

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Double scale
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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.