Home / 7,526.86-10,388.79-5,009.08

Finding the Fourth Proportional to 7,526.86, 10,388.79 and 5,009.08

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Solution

The fourth proportional to 7,526.86, 10,388.79 and 5,009.08 is: 6,913.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,526.86 : 10,388.79 = 5,009.08 : x
  2. Step 2: Convert to fraction form
    7,526.86/10,388.79 = 5,009.08/x
  3. Step 3: Cross multiply
    7,526.86x = 10,388.79 × 5,009.08
  4. Step 4: Simplify right side
    7,526.86x = 52,038,280.21
  5. Step 5: Solve for x
    x = 52,038,280.21/7,526.86
  6. Step 6: Final answer
    x = 6,913.68

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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.