Home / 6,480-8,916.48-6,298.56

Finding the Fourth Proportional to 6,480, 8,916.48 and 6,298.56

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Solution

The fourth proportional to 6,480, 8,916.48 and 6,298.56 is: 8,666.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,480 : 8,916.48 = 6,298.56 : x
  2. Step 2: Convert to fraction form
    6,480/8,916.48 = 6,298.56/x
  3. Step 3: Cross multiply
    6,480x = 8,916.48 × 6,298.56
  4. Step 4: Simplify right side
    6,480x = 56,160,984.27
  5. Step 5: Solve for x
    x = 56,160,984.27/6,480
  6. Step 6: Final answer
    x = 8,666.82

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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.