Home / 6,312.21-8,710.87-3,795.77

Finding the Fourth Proportional to 6,312.21, 8,710.87 and 3,795.77

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Solution

The fourth proportional to 6,312.21, 8,710.87 and 3,795.77 is: 5,238.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,312.21 : 8,710.87 = 3,795.77 : x
  2. Step 2: Convert to fraction form
    6,312.21/8,710.87 = 3,795.77/x
  3. Step 3: Cross multiply
    6,312.21x = 8,710.87 × 3,795.77
  4. Step 4: Simplify right side
    6,312.21x = 33,064,459.02
  5. Step 5: Solve for x
    x = 33,064,459.02/6,312.21
  6. Step 6: Final answer
    x = 5,238.17

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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.