Home / 6,407.37-8,840.75-3,718.17

Finding the Fourth Proportional to 6,407.37, 8,840.75 and 3,718.17

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Solution

The fourth proportional to 6,407.37, 8,840.75 and 3,718.17 is: 5,130.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,407.37 : 8,840.75 = 3,718.17 : x
  2. Step 2: Convert to fraction form
    6,407.37/8,840.75 = 3,718.17/x
  3. Step 3: Cross multiply
    6,407.37x = 8,840.75 × 3,718.17
  4. Step 4: Simplify right side
    6,407.37x = 32,871,392.84
  5. Step 5: Solve for x
    x = 32,871,392.84/6,407.37
  6. Step 6: Final answer
    x = 5,130.25

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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.