Home / 7,038.17-9,712.69-3,851.77

Finding the Fourth Proportional to 7,038.17, 9,712.69 and 3,851.77

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Solution

The fourth proportional to 7,038.17, 9,712.69 and 3,851.77 is: 5,315.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,038.17 : 9,712.69 = 3,851.77 : x
  2. Step 2: Convert to fraction form
    7,038.17/9,712.69 = 3,851.77/x
  3. Step 3: Cross multiply
    7,038.17x = 9,712.69 × 3,851.77
  4. Step 4: Simplify right side
    7,038.17x = 37,411,014.05
  5. Step 5: Solve for x
    x = 37,411,014.05/7,038.17
  6. Step 6: Final answer
    x = 5,315.44

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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.