Home / 5,011.12-7,510.08-3,688.68

Finding the Fourth Proportional to 5,011.12, 7,510.08 and 3,688.68

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Solution

The fourth proportional to 5,011.12, 7,510.08 and 3,688.68 is: 5,528.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,011.12 : 7,510.08 = 3,688.68 : x
  2. Step 2: Convert to fraction form
    5,011.12/7,510.08 = 3,688.68/x
  3. Step 3: Cross multiply
    5,011.12x = 7,510.08 × 3,688.68
  4. Step 4: Simplify right side
    5,011.12x = 27,702,281.89
  5. Step 5: Solve for x
    x = 27,702,281.89/5,011.12
  6. Step 6: Final answer
    x = 5,528.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.