Home / 4,989.24-7,482.36-1,526.40

Finding the Fourth Proportional to 4,989.24, 7,482.36 and 1,526.40

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Solution

The fourth proportional to 4,989.24, 7,482.36 and 1,526.40 is: 2,289.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.24 : 7,482.36 = 1,526.40 : x
  2. Step 2: Convert to fraction form
    4,989.24/7,482.36 = 1,526.40/x
  3. Step 3: Cross multiply
    4,989.24x = 7,482.36 × 1,526.40
  4. Step 4: Simplify right side
    4,989.24x = 11,421,074.30
  5. Step 5: Solve for x
    x = 11,421,074.30/4,989.24
  6. Step 6: Final answer
    x = 2,289.14

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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.