Home / 7,864.02-10,851.90-4,506.12

Finding the Fourth Proportional to 7,864.02, 10,851.90 and 4,506.12

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Solution

The fourth proportional to 7,864.02, 10,851.90 and 4,506.12 is: 6,218.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,864.02 : 10,851.90 = 4,506.12 : x
  2. Step 2: Convert to fraction form
    7,864.02/10,851.90 = 4,506.12/x
  3. Step 3: Cross multiply
    7,864.02x = 10,851.90 × 4,506.12
  4. Step 4: Simplify right side
    7,864.02x = 48,899,963.63
  5. Step 5: Solve for x
    x = 48,899,963.63/7,864.02
  6. Step 6: Final answer
    x = 6,218.19

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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.