Home / 6,289.02-8,683.32-4,521.20

Finding the Fourth Proportional to 6,289.02, 8,683.32 and 4,521.20

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Solution

The fourth proportional to 6,289.02, 8,683.32 and 4,521.20 is: 6,242.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,289.02 : 8,683.32 = 4,521.20 : x
  2. Step 2: Convert to fraction form
    6,289.02/8,683.32 = 4,521.20/x
  3. Step 3: Cross multiply
    6,289.02x = 8,683.32 × 4,521.20
  4. Step 4: Simplify right side
    6,289.02x = 39,259,026.38
  5. Step 5: Solve for x
    x = 39,259,026.38/6,289.02
  6. Step 6: Final answer
    x = 6,242.47

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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.