Home / 7,745.04-10,688.19-4,558.45

Finding the Fourth Proportional to 7,745.04, 10,688.19 and 4,558.45

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Solution

The fourth proportional to 7,745.04, 10,688.19 and 4,558.45 is: 6,290.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,745.04 : 10,688.19 = 4,558.45 : x
  2. Step 2: Convert to fraction form
    7,745.04/10,688.19 = 4,558.45/x
  3. Step 3: Cross multiply
    7,745.04x = 10,688.19 × 4,558.45
  4. Step 4: Simplify right side
    7,745.04x = 48,721,579.71
  5. Step 5: Solve for x
    x = 48,721,579.71/7,745.04
  6. Step 6: Final answer
    x = 6,290.68

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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.