Home / 10,780.10-14,875.49-6,064.28

Finding the Fourth Proportional to 10,780.10, 14,875.49 and 6,064.28

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Solution

The fourth proportional to 10,780.10, 14,875.49 and 6,064.28 is: 8,368.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,780.10 : 14,875.49 = 6,064.28 : x
  2. Step 2: Convert to fraction form
    10,780.10/14,875.49 = 6,064.28/x
  3. Step 3: Cross multiply
    10,780.10x = 14,875.49 × 6,064.28
  4. Step 4: Simplify right side
    10,780.10x = 90,209,106.18
  5. Step 5: Solve for x
    x = 90,209,106.18/10,780.10
  6. Step 6: Final answer
    x = 8,368.11

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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.