Home / 5,239.02-7,859.74-1,541.28

Finding the Fourth Proportional to 5,239.02, 7,859.74 and 1,541.28

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Solution

The fourth proportional to 5,239.02, 7,859.74 and 1,541.28 is: 2,312.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.02 : 7,859.74 = 1,541.28 : x
  2. Step 2: Convert to fraction form
    5,239.02/7,859.74 = 1,541.28/x
  3. Step 3: Cross multiply
    5,239.02x = 7,859.74 × 1,541.28
  4. Step 4: Simplify right side
    5,239.02x = 12,114,060.07
  5. Step 5: Solve for x
    x = 12,114,060.07/5,239.02
  6. Step 6: Final answer
    x = 2,312.28

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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.