Home / 7,527.60-10,391.76-5,011.20

Finding the Fourth Proportional to 7,527.60, 10,391.76 and 5,011.20

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Solution

The fourth proportional to 7,527.60, 10,391.76 and 5,011.20 is: 6,917.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,527.60 : 10,391.76 = 5,011.20 : x
  2. Step 2: Convert to fraction form
    7,527.60/10,391.76 = 5,011.20/x
  3. Step 3: Cross multiply
    7,527.60x = 10,391.76 × 5,011.20
  4. Step 4: Simplify right side
    7,527.60x = 52,075,187.71
  5. Step 5: Solve for x
    x = 52,075,187.71/7,527.60
  6. Step 6: Final answer
    x = 6,917.90

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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.