Home / 7,580.79-10,465.34-4,749.84

Finding the Fourth Proportional to 7,580.79, 10,465.34 and 4,749.84

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Solution

The fourth proportional to 7,580.79, 10,465.34 and 4,749.84 is: 6,557.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,580.79 : 10,465.34 = 4,749.84 : x
  2. Step 2: Convert to fraction form
    7,580.79/10,465.34 = 4,749.84/x
  3. Step 3: Cross multiply
    7,580.79x = 10,465.34 × 4,749.84
  4. Step 4: Simplify right side
    7,580.79x = 49,708,666.80
  5. Step 5: Solve for x
    x = 49,708,666.80/7,580.79
  6. Step 6: Final answer
    x = 6,557.19

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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.