Home / 7,528.50-10,389.48-4,384.89

Finding the Fourth Proportional to 7,528.50, 10,389.48 and 4,384.89

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Solution

The fourth proportional to 7,528.50, 10,389.48 and 4,384.89 is: 6,051.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,528.50 : 10,389.48 = 4,384.89 : x
  2. Step 2: Convert to fraction form
    7,528.50/10,389.48 = 4,384.89/x
  3. Step 3: Cross multiply
    7,528.50x = 10,389.48 × 4,384.89
  4. Step 4: Simplify right side
    7,528.50x = 45,556,726.96
  5. Step 5: Solve for x
    x = 45,556,726.96/7,528.50
  6. Step 6: Final answer
    x = 6,051.24

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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.