Home / 6,123.51-8,445.87-5,325.12

Finding the Fourth Proportional to 6,123.51, 8,445.87 and 5,325.12

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Solution

The fourth proportional to 6,123.51, 8,445.87 and 5,325.12 is: 7,344.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,123.51 : 8,445.87 = 5,325.12 : x
  2. Step 2: Convert to fraction form
    6,123.51/8,445.87 = 5,325.12/x
  3. Step 3: Cross multiply
    6,123.51x = 8,445.87 × 5,325.12
  4. Step 4: Simplify right side
    6,123.51x = 44,975,271.25
  5. Step 5: Solve for x
    x = 44,975,271.25/6,123.51
  6. Step 6: Final answer
    x = 7,344.69

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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.