Home / 7,745.84-10,688.96-4,208.93

Finding the Fourth Proportional to 7,745.84, 10,688.96 and 4,208.93

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Solution

The fourth proportional to 7,745.84, 10,688.96 and 4,208.93 is: 5,808.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,745.84 : 10,688.96 = 4,208.93 : x
  2. Step 2: Convert to fraction form
    7,745.84/10,688.96 = 4,208.93/x
  3. Step 3: Cross multiply
    7,745.84x = 10,688.96 × 4,208.93
  4. Step 4: Simplify right side
    7,745.84x = 44,989,041.49
  5. Step 5: Solve for x
    x = 44,989,041.49/7,745.84
  6. Step 6: Final answer
    x = 5,808.16

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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.